Here's a classic kitchen with black quartz counters and a marble subway tile backsplash:

Is there any white quartz product that would go with the marble backsplash?

Yes and no. There are white quartz countertop materials that mimic the look of marble (Silestone Lyra, for example), but I don't think putting them next to real marble is the best idea. One is bound to see the difference between the real and the reproduction more starkly that way. But let's see what some of the professionals here say.